Takes a matrix (i.e., 16 bytes) and substitutes the matrix using the substitution box (S-box) of the Advanced Encryption Standard (AES). This is done by instantiating four “SubWord” entities, each operating on a single word.
General Information
| File | subMatrix.vhd |
| Title | AES substitute matrix function |
| Project | VLSI Book AES-128 Example |
| Author | Michael Muehlberghuber (mb.nosp@m.gh@iis.ee..nosp@m.ethz.ch) |
| Company | Integrated Systems Laboratory, ETH Zurich |
| Copyright | Copyright © 2014 Integrated Systems Laboratory, ETH Zurich |
| File Created | 2014-10-16 |
| Last Updated | 2014-10-16 |
| Platform | Simulation=QuestaSim; Synthesis=Synopsys |
| Standard | SystemVerilog 1800-2009 |
Revision Control System Information
| File ID | $Id: subMatrix.sv 23 2014-10-20 09:23:20Z u59323933 $ |
| Revision | $Revision: 23 $ |
| Local Date | $Date: 2014-10-20 11:23:20 +0200 (Mon, 20 Oct 2014) $ |
| Modified By | $Author: u59323933 $ |
Major Revisions
| 2014-10-16 (v1.0) | Created (mbgh) |
Summary
| subMatrix | Takes a matrix (i.e., 16 bytes) and substitutes the matrix using the substitution box (S-box) of the Advanced Encryption Standard (AES). |
| Ports | |
| In_DI | 16 byte input to be substituted using the AES S-box. |
| Out_DO | Substituted 12 bytes. |